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PLCs
Posted by rbhadani on 14 September, 2014 - 5:39 am
Issue with Communication between Triconex PLC for SOE and Matrikon OPC server using TCM Module
Topic: PLCs and related questions.
from the Forum department...
Voltage Levels in DO Cards of PLC
Originally posted by Mihir Ramkrishna on 12 September, 2014 - 12:45 am
Which DO cards are better from the Reliability perspective - cards 24 VDC or cards that give 110 VAC?
New Replies:
My take is a bit different. DC are the most reliable in most circumstances. Solid state outputs...
The most reliable will be 24VDC transistor outputs. Relays have a lifetime. Triacs are in the...
Topic: Software, including programming, OS issues, etc.
from the Electrical Engineering department...
Communicate ER300P energy meter with PLC
Originally posted by Ummachan K.Joson on 7 February, 2014 - 3:43 am
How do I enter programming mode and communicate ER300P meter with PLC SIEMENS 200?
New Replies:
I communicated the meter with PLC. Changed the Meter ID using PLC program. The Values or the...
Topic: Software, including programming, OS issues, etc.
from the Forum department...
Concept 2.6 Compatiblity Issue
Originally posted by Anurag Purohit on 11 September, 2014 - 2:55 am
Running windows 8.1 64bit OS and have a concept 2.6 compatibility issue.
New Replies:
Concept 2.6 is a Win-16 program. It still runs on new Windows OS's but only the 32-bit versions. ...
Sorry for the bad news: Concept is a 16 bit application and has not/will not be qualified on Win...
Topic: PLCs and related questions.
from the Instrument and Control department...
Siemens S5 CPU 922 Run and Stop LED Do Not Turn ON
Originally posted by Syed Waqar Azeem on 11 September, 2014 - 1:05 am
Run and Stop LED on front of Siemens S5 922 CPU doesn't turn ON on powering of rack. Only BASP LED on front of CPU is turned ON.
New Replies:
I have tried doing cold reset and warm rest on processor. The situation remain as such. Both STOP...
Have you done a cold start by holding the reset switch up and cycling the run switch from stop to...
Topic: Sensor technologies.
from the Instrumentation department...
ABB Flowmeter -Flow Data Is Less
Originally posted by sandeep on 11 September, 2014 - 6:27 am
flow meter data is less compared to other flowmeters
New Replies:
what are the units for the 20 mA value? how long does it take for the 1 meter level change?...
>> "flow meter data is less compared to other flowmeters" >other flowmeters? ...
> 1) Is this a new installation or a new problem with an existing, previously satisfactory...
> "flow meter data is less compared to other flowmeters" other flowmeters? ...
1) Is this a new installation or a new problem with an existing, previously satisfactory...
Topic: Engineering and workplace issues.
from the Forum department...
DCS analog input problem
Originally posted by mahmoud fawzy on 4 September, 2014 - 7:10 pm
DCS Analog input signals didn't work with ADAM card
New Replies:
Hi, David >Given the nature of what you've reported thus far, I can't predict > what will...
Given the nature of what you've reported thus far, I can't predict what will happen if you connect...
Hi David , yes, sure yokogawa card model is AAI143-H Analog Input Module (4 to 20 mA,...
The symptoms you're seeing are a classic example of exceeding the common mode limitation of the...
Thank you for reply, our power supply model is MOXA DR-4524 feeds 24 VdC to ADAM card , ...
Classic ground loop symptoms When you connect a battery powered simulator, it's floating with...
Topic: Communications systems and equipment.
from the Forum department...
RSLinx issue in VMWare WIn 7 32 bit VM
Originally posted by Paul on 11 September, 2014 - 11:28 am
I can do a serial upload and download but I cannot go online with RSLogix 500 inside a VM running WIn 7 32 bit
New Replies:
Years ago I had trouble with VMWare and a Keyspan USB to serial device. I switched over to a Gearmo...
Topic: Engineering and workplace issues.
from the Automation List department...
Why 4-20 ma is used in Analog Signals?
Originally posted by sreeraj on 3 June, 2007 - 12:25 pm
Why 4-20 ma is used in Analog Signals?
New Replies:
When I began in the power industry several years back there were two commonly utilized current...
>> Why 4-20 ma is used in Analog Signals? >> How come ISA selected this. Why not...
Topic: Software, including programming, OS issues, etc.
from the Modbus RTU Slave Simulation department...
Modbus RTU 2 slaves simulator
Originally posted by Vlad S. on 5 September, 2014 - 4:02 pm
How to simulate two Modbus RTU Slaves
New Replies:
ModMultiSim (see http://wingpath.co.uk/modbus/modmultisim.php) can simultaneously simulate two (or...
I have a generic inhouse Modslave.EXE application that responds to any Modbus Slave address it...
Posted by wahidul islam on 8 September, 2014 - 3:14 pm
PLC system binary signal is unlatch valve instead of holding
Originally posted by Thota on 7 September, 2014 - 6:04 am
Motor driver converts the pulse/direction signals to the proper A and B phase signals for the motor, but does not reach maximum speed.
New Replies:
You need check some following issues: 1. Do PLC output pulses have amplitude and width according...
Posted by Ahmadreza Tarakameh on 6 September, 2014 - 11:52 pm
how to configure Simatic ET200s- IM151-8 for IEC-104 connection with High leit HMI
Topic: Human-Machine Interface and SCADA.
from the E&I department...
Freezing of AB PanelView Plus
Originally posted by Bilal on 10 May, 2014 - 1:21 am
Allen Bradley Panelview Plus HMI freezes with a pop-up error message.
New Replies:
To what PLC/SLC is the PanelView connected? Is it DH+? Is the firmware up to date? There were...
Topic: PLCs and related questions.
from the Instrumentation department...
Local Fault on SLC 500
Originally posted by casualguy on 18 August, 2014 - 3:28 am
Local fault indication on our SLC 500
New Replies:
we have checked the configuration of g files. but still this issues persist. > In my...
we have checked it and made sure that the power supply is large enf for the modules.... its been...
Originally posted by Ankur Gajjar on 27 August, 2014 - 5:20 am
Data Acquisition of measured temperature value (by means of 2 wire RTD) from Siemens S7-317-2-PN/DP PLC to Excel/LabView/Matlab
New Replies:
try Snap7, it's well documented and it provides notes for LabView implementation. See...
Hi Ankur The steps involved are to log the information into the PLC as you state every 30...
Topic: PLCs and related questions.
from the Forum department...
Siemens Statement Help
Originally posted by Wade on 29 August, 2014 - 8:54 am
Converting a Siemens S5 program to ladder and need help with a block.
New Replies:
Follow conversion in STEP7 Ladder.
                   
   T36   Q47.1 I62.4  F18.7
...
Topic: Communications systems and equipment.
from the Instrument department...
ALE111 module send failure
Originally posted by Shahzad on 28 September, 2010 - 5:17 pm
Yokogawa ALE111 module communication problem
New Replies:
I have a similar problem. We are using ALE111 Ethernet card with controller ADV10D to communicate...
Topic: PLCs and related questions.
from the instrumentation department...
Difference Between IP and MAC Addresses
Originally posted by RAJESH on 29 August, 2014 - 4:17 am
What is the difference between IP address and MAC address?
New Replies:
Google it.........short answer, yes you have both MAC is a hardware address assigned at factory of...
Topic: Local and wide area networking in factory automation.
from the Forum department...
MODBUS to Lan Convertor
Originally posted by danaqu on 26 August, 2014 - 2:53 pm
Looking for a MODBUS to Lan convertor.
New Replies:
We have a series of products called our TDS series. Using 2 of these, you can form a serial data...
It might work. I didn't see any software for configuring it. That type of serial server is...
Topic: Continuous process industries, DCS questions.
from the Instrumentation department...
Instrument Control Loop
Originally posted by Waqar Ahmed on 26 June, 2014 - 3:18 am
Maintenance procedure of process control loop.
New Replies:
On any live process plant this procedure can be followed directly or be adapted slightly to suit...
Topic: PLCs and related questions.
from the PLC Control department...
PID Control using FB41 for Siemens S7-300 PLC
Originally posted by Donald Tan on 20 December, 2002 - 11:19 am
I am an undergraduate student who is currently trying to program a Siemens S7-300 PLC (CPU 313) for PID control using FB 41. Where can I find more examples and more details on how to use FB41. There is none inside the Siemens PID control manual for the FB41. What are the important parameters that need to be configured?
New Replies:
By Jan Steen Nielsen on 27 August, 2014 - 12:19 pm -
Hello Amir Ovcina (and others) I have made an all-in-one PID-Controller (FB121) and many other...
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